Granted Patent B2

US 6,937,153 · App. 10/183,511 · Granted Aug 30, 2005

Abstract

Claims (4)

1. A method of producing a thermal printed paper product incorporating a security feature from a thermal imaging system including a thermal printing device; a heat sensitive, thermal imaging paper, said thermal imaging paper having a laminate structure including a thermal imaging paper substrate having a first surface and a second surface, said first surface being positioned to face toward said thermal printing device during a printing process, a cushioning layer, a wireless memory device capable of reflecting RF signals, said cushioning layer and said wireless memory device being disposed alone said second surface of the thermal imaging paper substrate, and an adhesive layer, said wireless memory device being positioned between said thermal imaging taper substrate and said adhesive layer; and a detection unit, said detection unit being positioned in the proximity of said wireless memory device to transmit and receive RF signals from said wireless memory device said method comprising the steps of:

thermally printing said thermal imaging paper with said thermal printing device; and

producing the thermal imaged paper product having said security feature, wherein said security feature includes said wireless device and said thermal imaged paper product includes at least one of a paper sheet, a roll of paper product, a label, and a tag.

2. A thermal printed paper product having a security feature produced by the process described in claim 1 .

Assignments (28)